12188132 has 12 divisors (see below), whose sum is σ = 23268336. Its totient is φ = 5540040.

The previous prime is 12188123. The next prime is 12188159. The reversal of 12188132 is 23188121.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 138458 + ... + 138545.

It is an arithmetic number, because the mean of its divisors is an integer number (1939028).

Almost surely, 2^12188132 is an apocalyptic number.

It is an amenable number.

12188132 is a deficient number, since it is larger than the sum of its proper divisors (11080204).

12188132 is a wasteful number, since it uses less digits than its factorization.

12188132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277018 (or 277016 counting only the distinct ones).

The product of its digits is 768, while the sum is 26.

The square root of 12188132 is about 3491.1505266889. The cubic root of 12188132 is about 230.1330798838.

The spelling of 12188132 in words is "twelve million, one hundred eighty-eight thousand, one hundred thirty-two".